package print;

import java.io.IOException;
import java.io.InputStream;
import java.io.PrintStream;

public class Test {
	public int test(int a) throws IOException{
		//TODO 2019-4-11 zhangsan
		return 0;
	}
	
	public void test2(){
		//FIXME to teacher
	}
	
	public void test3(){
		//XXX add swap
	}
	
	public static void main(String[] args) throws IOException {
		PrintStream out  = System.out;
		
		out.println("abc");
		out.println(1.1);
		
		InputStream is = System.in;
		int c = is.read();
		System.out.println((char)c);
		
	}
}
